Not that long ago most NFL teams gave a rookie QB 2 or 3 years to mature and learn the game. However, that has changed in recent years and it may be changing again.
First round QBs are expected to start quickly and some of them are able to do that. The recent success of Roethlisberger (PT), Sanchez (NJ), and Ryan (AT) make us forget the list of those that have crashed and burned in recent years.
We start with 2007 because it is too soon to evaluate players being a bust from the 08 or 09 drafts.
2007-1st pick JaMarcus Russell Oakland Russell has thrown a total of 18 TDs and 23 picks since joining the league. He has a career passer rating of 65.2. In the 2010 draft the team traded for Campbell to replace him.
2007-22nd pick Brady Quinn Cleveland He didn’t get thrown into the game immediately but that still didn’t help him. In 3 years he had a rating of 66.8. He was traded to Denver this year for a bucket of water. They were so impressed with Quinn that they used a 1st round pick on QB Tim Tebow.
2006-3rd pick Vince Young Tennessee … Read more at FryingPanSports